Merge changes Ib7d18bb2,I3dc8e0b4,I923b65ef,I9e021ba2,I4e79cefe

* changes:
  Improve exception thrown when pull can't find advertised ref
  Silence unchecked conversion warning in TransportSftp
  Silence deprecation warning in WindowCacheConfig
  Silence deprecation warning in DirCacheCheckout
  Fix hidden field warnings in bundle org.eclipse.jgit

org.eclipse.jgit.test/.classpath

diff --git a/org.eclipse.jgit.test/.classpath b/org.eclipse.jgit.test/.classpath
index e97de8f..8b81bf5 100644
--- a/org.eclipse.jgit.test/.classpath
+++ b/org.eclipse.jgit.test/.classpath
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry excluding="**/*.idx|**/*.pack" kind="src" path="tst"/>
+	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="tst-rsrc"/>
 	<classpathentry kind="src" path="exttst"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>